The feature adds a 3,840 by 2,160-resolution mode labeled “4K” to a list of virtual external display options supported by Simulator. Previously, the list included only aging 640 by 480 and 1,024 by 76.

A recent Dell press event saw the computer. 5K Monitor, set to launch by the end of Q4 2014 for $2,499, will scream past the consumer-grade competition with a whopping 14.7 million pixels in all. T.